github.com/DerekStrickland/consul@v1.4.5/ui-v2/app/utils/editor/lint.js (about)

     1  /*global CodeMirror*/
     2  
     3  // CodeMirror doesn't seem to have anyway to hook into whether a mode
     4  // has already loaded, or when a mode has finished loading
     5  // follow more or less what CodeMirror does but doesn't expose
     6  // see codemirror/addon/mode/loadmode.js
     7  
     8  export const createLoader = function(
     9    $$ = document.getElementsByTagName.bind(document),
    10    CM = CodeMirror
    11  ) {
    12    CM.registerHelper('lint', 'ruby', function(text) {
    13      return [];
    14    });
    15    return function(editor, mode, cb) {
    16      let scripts = [...$$('script')];
    17      const loaded = scripts.find(function(item) {
    18        return item.src.indexOf(`/codemirror/mode/${mode}/${mode}.js`) !== -1;
    19      });
    20      CM.autoLoadMode(editor, mode);
    21      if (loaded) {
    22        cb();
    23      } else {
    24        scripts = [...$$('script')];
    25        CM.on(scripts[0], 'load', function() {
    26          cb();
    27        });
    28      }
    29    };
    30  };
    31  const load = createLoader();
    32  export default function(editor, mode) {
    33    load(editor, mode, function() {
    34      if (editor.getValue().trim().length) {
    35        editor.performLint();
    36      }
    37    });
    38  }